A fluorophore-labeled human cell. A fluorophore (or fluorochrome, similarly to a chromophore) is a fluorescent chemical compound that can re-emit light upon light excitation. Fluorophores typically contain several combined aromatic groups, or planar or cyclic molecules with several Ï bonds.
IN THIS TOPIC. Pregnancy symptoms are different for everyone, and can vary from month to month and even from pregnancy to pregnancy. Find out what to expect, from the earliest pregnancy symptoms to the wooziness of morning sickness to the aches and pains of your third trimester.
About 50% of pregnant women will experience morning sickness. Morning sickness normally begins around the 6th week of pregnancy, but it is not too soon to begin preparing for how you will deal with it. Morning sickness can be experienced in the morning, throughout the day, or in the evening.